Camila is a young member of an elite police unit. During an operation in a dangerous area, she turns up in the middle of a ritual, in which their members burnt themselves to death. She suffers severe burns all over her body and goes into a coma. In her long recovery, her friend Fatima, a criminal prosecutor, and her partner and ex-boyfriend Ángel will help her. But Camila acts strange, she is distant, emotionless. The albino, a female figure who is attached to her soul since the ritual episode, is here to play a game with the three of them.
—Del Toro Films